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Intrauterine inseminations (IUI) are a commonly used technique in assisted reproductive technology (ART) to help women conceive, whether within a couple or as single individuals. However, national success rates remain modest, with an average live birth rate of 10% per cycle, which leads many ART centers to favor in vitro fertilization (IVF) as a more effective option.
Nevertheless, IUI retains several advantages: it is less invasive, less expensive, and, when appropriately indicated, can achieve satisfactory outcomes.
Guidelines exist for ovarian stimulation protocols prior to IUI, aimed at optimizing the chances of success. So far, no clear superiority has been demonstrated between pharmacological ovulation triggering and spontaneous ovulation. However, accurate timing of insemination in relation to ovulation is recognized as a key factor for success.
Very few studies have focused on the response to ovulation triggering, and none have explored a correlation with clinical pregnancy rates.
Yet, monitoring of the luteal phase and response to ovulation triggering is a common practice in ART, particularly in the context of frozen embryo transfers (FET), suggesting that these parameters may be worth further investigation in the context of IUI.
Hence, the interest of this study is to determine whether there is a correlation between progesterone levels and clinical pregnancy rates in patients undergoing intrauterine insemination (IUI).
This is a single-center observational cohort study with retrospective and prospective data collection.
Participation in the study is offered in the CHIC MPA department. Data will be collected over a 12-month period.
The research consists of retrieving data from the patient's and spouse's medical records and from software for presenting biological laboratory results .
Patients and their spouses will be informed of the study orally, and will receive a written information note.
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| Measure | Description | Time Frame |
|---|---|---|
| Rate of early pregnancies based on progesterone levels measured on the day of ovulation trigger | Rate of early pregnancies based on progesterone levels measured on the day of ovulation trigger | 6-7 weeks Gestational Age |
| Measure | Description | Time Frame |
|---|---|---|
| Rate of early pregnancies (HCG > 100) and ultrasound (6-7 weeks gestational age) | Rate of early pregnancies (HCG > 100) and ultrasound (6-7 weeks gestational age) | 6-7 weeks Gestational Age |
| Rate of spontaneous miscarriage |
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Inclusion Criteria:
Exclusion Criteria:
-Opposition of patients to data collection
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The study population consists of single women or couples, heterosexual or homosexual, undergoing insemination at a medically assisted procreation (MAP) center. Participants are aged between 18 and 43 years old. They have an indication for intrauterine insemination (IUI) in accordance with the Recommendations for Good Practices in Assisted Reproductive Medicine (RBP). . Only those who have had a blood as part of routine care on the day of insemination, will be included in the study.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Chi Creteil | Créteil | CHI Créteil | 94000 | France |
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Rate of spontaneous miscarriage before 12 weeks Gestational Age
| From enrollment until 12 weeks Gestational Age |
| Estradiol level the morning of the insemination (pg/ml) | Estradiol level will be collected for each patient The morning of the insemination (between 1 and 4 hours before the insemination) | The morning of the insemination (between 1 and 4 hours before the insemination) |
| LH level the morning of the insemination (UI/L) | LH level will be collected for each patient , the morning of the insemination (between 1 and 4 hours before the insemination) | The morning of the insemination (between 1 and 4 hours before the insemination) |
| hCG level the morning of the insemination (UI/L) | hCG level will be collected for each patient , the morning of the insemination (between 1 and 4 hours before the insemination)and 4 hours before the insemination) | The morning of the insemination (between 1 and 4 hours before the insemination) |
| Progesterone level the morning of the insemination (ng/ml) | Progesterone level will be collected for each patient , the morning of the insemination (between 1 and 4 hours before the insemination) | The morning of the insemination (between 1 and 4 hours before the insemination) |
| Time between first IUI and early pregnancy (HCG > 100 (UI/L) | Time between first IUI and early pregnancy (HCG > 100 (UI/L) | From first IUI until HCG > 100 (UI/L) |
| Predictive factor for pregnancy: BMI ( kg/m^2) | Predictive factor for pregnancy: BMI | From enrollment until the morning of insemination (between 1 and 4 hours before insemination) |
| Predictive factor for pregnancy:number of inseminated spermatozoa (millions) | Predictive factor for pregnancy: number of inseminated spermatozoa | From enrollment until the morning of insemination (between 1 and 4 hours before insemination) |
| Predictive factor for pregnancy: age (years) | Predictive factor for pregnancy: age | From enrollment until the morning of insemination (between 1 and 4 hours before insemination) |
| ID | Term |
|---|---|
| D007246 | Infertility |
| ID | Term |
|---|---|
| D000091662 | Genital Diseases |
| D000091642 | Urogenital Diseases |
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